Related Questions

Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability?
A Mercury in glass thermometer
B Alcohol in glass thermometer
C Fused metal (Na or K) in steel thermometer
D Nitrogen in steel thermometer
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.
A Pressure
B Volume
C Viscosity
D All of the above
__________ type of element is normally not used in the bimetallic thermometers.
A Flat spiral
B Bourdon tube
C Single helix
D Multiple helix
What was the element used in traditional thermometers which is highly toxic in nature?
A Carbon
B Mercury
C Arsenic
D Cadmium
Which one of the following thermometers is known as pyrometer?
A Thermo-electric thermometers
B Radiation thermometers
C Gas thermometers
D Liquid thermometers
In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from
A 50° - 60°
B 60° - 70°
C 70° - 80°
D 80° - 90°
By compounding the expansion of steam in two or more cylinders, the ratio of expansion
A Does not change
B Increases
C Decreases
D None of these
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will __________ the gas discharge pressure.
A Increase
B Decrease
C Not change
D Exponentially decrease

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